Greenhouse Effect and Global Warming Lab Procedure Questions

What is the main source of increased CO2 in the atmosphere?

• Volcanic eruptions

• Combustion of fossil fuels

• Ocean currents

• Solar flares

What is the effect of increased greenhouse gases on the Earth's atmosphere?

• It makes the atmosphere thinner

• It thickens the atmospheric blanket

• It reduces atmospheric pressure

• It increases oxygen levels

What is global warming?

• The increase of the Earth's temperature

• The decrease of the Earth's temperature

• The increase of the Earth's water levels

• The decrease of the Earth's water levels

What will be used to model the greenhouse effect in Part I of the activity?

• Plastic bottles

• Glass jars

• Metal cans

• Wooden boxes

What do dark-colored objects inside the greenhouse do with the absorbed light energy?

• Re-radiate energy from their surfaces

• Store it indefinitely

• Convert it into chemical energy

• Reflect it back out

What is the main concern of scientists regarding the increase of CO₂?

• Global warming

• Global cooling

• Increased plant growth

• Decreased oxygen levels

How many pieces of string are used in the experiment?

• One

• Two

• Three

• Four

What is used to position the third thermometer in the setup?

• A ruler

• A ring stand

• A clamp

• A tripod

What is the main variable being measured in this experiment?

• Light intensity

• Temperature

• Humidity

• Pressure

What is done to one of the bottles to simulate the blanketing of the atmosphere?

• Black paper is taped over the bottle

• Nothing

• The bottle is filled with carbon dioxide

• The bottle is filled with water.